VANCOUVER, BRITISH COLUMBIA--(Marketwired - April 19, 2013) - Quaterra Resources Inc. (TSX VENTURE:QTA)(NYSE MKT:QMM) and its joint venture partner, Grande Portage Resources Ltd. (TSX VENTURE:GPG) today announced they have filed with SEDAR an amended Canadian National Instrument 43-101-compliant technical report on the Herbert Gold Project located near Juneau, Alaska.

The amended report was prepared by D.G. DuPre & Associates of Delta, British Columbia. It follows the updated independent resource estimate for the Herbert Gold project announced in a news release on February 28, 2013, and prepared by D.G. DuPre & Associates. The technical report includes a description of the project history, geology, mineralization, drilling, sampling procedures and laboratory Quality Assurance/Quality Control procedures, as well as recommendations. There are no material differences between the tecnhical report filed on April 12, 2013 and the amended report filed today. The change relates to typographical errors, minor omissions in Data Verification (Item 11) as well as minor errors in drilling meterages in the Interpretations and Conclusions (Item 17) portion of the report. There are no changes to the mineral resource estimates or geostatistical analysis in the report and the conclusions and recommendations remain unchanged.

The qualified persons for the DuPre technical report are David DuPre and Dr. David Webb. Mr. DuPre and Dr. Webb are independent of Grande Portage Resources Ltd. and Quaterra Resources Inc. and are Qualified Persons as defined by NI 43-101, and are responsible for the technical content of this press release.

The complete amended NI43-101-compliant technical report is available at www.sedar.com and on the companies' respective websites.

Quaterra Resources Inc. (TSX VENTURE:QTA)(NYSE MKT:QMM) is a junior exploration company focused on making significant mineral discoveries in North America. The Company uses in-house expertise and its network of consultants, prospectors and industry contacts to identify, acquire and evaluate prospects in mining-friendly jurisdictions with the potential to host large and/or high-grade base and precious metal deposits.

The mining terms "indicated resource" and "inferred resource" are used in this news release in accordance with Canadian regulations but are not recognized by the United States Securities and Exchange Commission. For clarification, the Company has no properties that contain "reserves" as defined by the SEC and is providing the forgoing, in part, in order to meet its requirements under National Instrument 43-101 adopted by the BC Securities Commission and the Canadian Securities Administrators.

Some statements contained in this news release are forward-looking statements within the safe harbor of the Private Securities Litigation Reform Act of 1995. These statements generally are identified by words such as the Company "believes", "expects", and similar language, or convey estimates and statements that describe the Company's future plans, objectives or goals. Since forward-looking statements are based on assumptions and address future events and conditions, by their very nature they involve inherent risks and uncertainties. Further information regarding risks and uncertainties which may cause results to differ materially from those projected in forward-looking statements, are included in filings by the Company with securities regulatory authorities. Readers are cautioned not to place undue reliance on forward-looking statements, which speak only as of the date thereof. The Company does not undertake to update any forward-looking statement that may be made from time to time except in accordance with applicable securities laws. References may be made in this press release to historic mineral resource estimates. None of these are NI 43-101 compliant and a qualified person has not done sufficient work to classify these historic estimates as a current mineral resource. They should not be relied upon and Quaterra does not treat them as current mineral resources.

Expanded information on the Company's projects is described on our website at www.quaterra.com.